condition	mean	min	max
3 h after light	9.34689	7.35656	11.7451
6 h after light	8.97577	7.25506	11.9855
9 h after light	11.43765	7.35385	14.389
12 h after light	14.6372	11.1445	17.7473
3 h after dark	13.831866666666667	12.2859	16.894
6 h after dark	7.53672	6.46809	9.06478
9 h after dark	6.849396666666666	3.9707	8.88487
12 h after dark	7.799055	7.60454	7.99357